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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/browser/local_discovery/device_description.h"
      6 
      7 #include <vector>
      8 
      9 #include "base/strings/string_number_conversions.h"
     10 #include "base/strings/string_util.h"
     11 #include "chrome/browser/local_discovery/privet_constants.h"
     12 #include "chrome/common/local_discovery/service_discovery_client.h"
     13 
     14 namespace local_discovery {
     15 
     16 namespace {
     17 
     18 DeviceDescription::ConnectionState
     19 ConnectionStateFromString(const std::string& str) {
     20   if (LowerCaseEqualsASCII(str, kPrivetConnectionStatusOnline)) {
     21     return DeviceDescription::ONLINE;
     22   } else if (LowerCaseEqualsASCII(str, kPrivetConnectionStatusOffline)) {
     23     return DeviceDescription::OFFLINE;
     24   } else if (LowerCaseEqualsASCII(str, kPrivetConnectionStatusConnecting)) {
     25     return DeviceDescription::CONNECTING;
     26   } else if (LowerCaseEqualsASCII(str, kPrivetConnectionStatusNotConfigured)) {
     27     return DeviceDescription::NOT_CONFIGURED;
     28   }
     29 
     30   return DeviceDescription::UNKNOWN;
     31 }
     32 
     33 }  // namespace
     34 
     35 DeviceDescription::DeviceDescription()
     36     : version(0),
     37       connection_state(UNKNOWN) {
     38 }
     39 
     40 DeviceDescription::~DeviceDescription() {
     41 }
     42 
     43 void DeviceDescription::FillFromServiceDescription(
     44     const ServiceDescription& service_description) {
     45   address = service_description.address;
     46   ip_address = service_description.ip_address;
     47   last_seen = service_description.last_seen;
     48 
     49   for (std::vector<std::string>::const_iterator i =
     50            service_description.metadata.begin();
     51        i != service_description.metadata.end();
     52        i++) {
     53     size_t equals_pos = i->find_first_of('=');
     54     if (equals_pos == std::string::npos)
     55       continue;  // We do not parse non key-value TXT records
     56 
     57     std::string key = i->substr(0, equals_pos);
     58     std::string value = i->substr(equals_pos + 1);
     59 
     60     if (LowerCaseEqualsASCII(key, kPrivetTxtKeyVersion)) {
     61       if (!base::StringToInt(value, &version))
     62         continue;  // Unknown version.
     63     } else if (LowerCaseEqualsASCII(key, kPrivetTxtKeyName)) {
     64       name = value;
     65     } else if (LowerCaseEqualsASCII(key, kPrivetTxtKeyDescription)) {
     66       description = value;
     67     } else if (LowerCaseEqualsASCII(key, kPrivetTxtKeyURL)) {
     68       url = value;
     69     } else if (LowerCaseEqualsASCII(key, kPrivetTxtKeyType)) {
     70       type = value;
     71     } else if (LowerCaseEqualsASCII(key, kPrivetTxtKeyID)) {
     72       id = value;
     73     } else if (LowerCaseEqualsASCII(key, kPrivetTxtKeyConnectionState)) {
     74       connection_state = ConnectionStateFromString(value);
     75     }
     76   }
     77 }
     78 
     79 
     80 }  // namespace local_discovery
     81